A233689 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

13108, 327588, 8284072, 233101508, 6324816860, 180309108120, 4934227972036, 140915217790172, 3861307527285204, 110305940795395912, 3023339282181464796, 86371784816560671164, 2367480859122586384304, 67635128920637964375036

Offset

1,1

Comments

Column 6 of A233691

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..2..0..1..0..2..3..2....1..3..1..3..2..1..2....2..1..3..1..0..2..0
..3..2..0..2..3..1..0....2..1..0..1..0..2..0....1..3..2..3..2..1..2

Crossrefs

Sequence in context: A345151 A252548 A015341 * A250904 A250948 A157433

Adjacent sequences: A233686 A233687 A233688 * A233690 A233691 A233692

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved